E-Bike >>
HKM-7680723 Off-Road Fat Tire Electric Bike with LCD Display, 750W Motor, 48V 17Ah Battery, 20 x 4 in Tires, 31 mi Range
HKM-7680723
Moped-Style Off-Road Fat Bike
The HKM-7680723 is an off-road fat bike with moped lines: a 750 W rear hub motor, a 48 V 17 Ah pack rated to 31 mi (50 km), and 20 x 4 in tires over dual suspension. The LCD shows speed, assist level, battery, and range at a glance, disc brakes stop it in 11.5-23 ft (3.5-7 m), and the 265 lb (120 kg) rating carries rider and cargo. Climb rated to 25 degrees.
Key Features
Eight details that make the HKM-7680723 a dependable daily ride.
750W Rear Hub Motor
The brushless hub motor delivers 60 N.m of torque, rated to climb 25-degree grades and hold the street-legal 15.5 mph (25 km/h) all day.
48V 17Ah Lithium Pack
The large pack stores the energy behind the 31 mi (50 km) rating and recharges in 6-8 hours - or order a spare battery to swap instead of waiting.
25-Degree Climbing
Factory-rated climbing ability for the steep end of trails and hillside streets, with the torque to hold a line while it pulls.
20 x 4 in Fat Tires
Wide, knobby casings grip gravel, forest paths, and coastal hardpack, with the cushion to keep the ride quiet while they do it.
Dual Suspension
Front and rear suspension absorb the hits that off-road surfaces hand out, so control stays in your hands instead of in the bumps.
LCD Ride Data
Speed, assist level, battery, and remaining range on one screen - the numbers that matter, one glance away.
265 lb Load Rating
The frame carries up to 265 lb (120 kg) of rider and cargo, built for two-feet-down moped-style riding.
Measured Braking
Disc brakes with a factory-measured stopping distance of 11.5-23 ft (3.5-7 m) - documented performance, not just a claim.
Overview
Off-road hardware, moped manners.
The HKM-7680723 is an off-road fat bike styled like a moped and built like a trail tool. The 750 W rear hub motor climbs grades up to 25 degrees, the 48 V 17 Ah pack returns up to 31 mi (50 km) per charge, and 20 x 4 in tires over dual suspension keep gravel and broken pavement from reaching your hands. The LCD shows speed, assist, battery, and range at a glance, and disc brakes stop the bike in a factory-measured 11.5-23 ft (3.5-7 m).
Built for the Loose Stuff
Gravel, forest, coastline.
Twenty-inch fat tires over dual suspension give the HKM-7680723 its footing where the pavement ends. The ride stays quiet over washboard and washouts - the composure you want when the surface stops being optional.
Why Choose the HKM-7680723
Eight reasons it earns its place by the door.
Efficient by Design
A 750 W motor paired with a 17 Ah pack turns a few cents of electricity into up to 31 mi of riding - with a spare-battery option for the days that run long.
Hills Without Drama
25-degree climbing ability and 60 N.m of torque take the grade out of the route decision. The HKM-7680723 pulls while you steer.
No Fuel, No Fees
A full charge costs a few cents and covers up to 31 mi. No gas, no oil, no parking meter - just a plug and a plan.
Everyday Practicality
Dual suspension, fat tires, LCD ride data, and a 265 lb rating make this a transport tool for the trails and the errands alike.
Composed on the Rough Stuff
Four-inch tires and suspension at both ends keep the ride quiet over gravel, roots, and broken blocks - the grip arrives before you need it.
Moped-Style ergonomics
The long saddle and upright bars let you ride feet-down at low speed, moped-style - approachable for new riders, comfortable for experienced ones.
Ready Out of the Box
The HKM-7680723 arrives mostly assembled. Fit the handlebar, charge the pack, and the first ride is minutes away.
Documented Performance
Braking distance and climbing grade are factory figures, not marketing rounding - you know what the bike was measured to do.
Full Specifications
Measurements are shown in US customary units first, with metric equivalents in parentheses.
Battery, Range, and Charging
A 17 Ah pack with a swap-ready option.
The 48 V 17 Ah pack returns up to 31 mi (50 km) per charge at a 145 lb (65 kg) load on flat road in still air - heavier loads, hills, and cold pull that number down. A full recharge takes 6-8 hours. If waiting is not your style, the battery is offered as a separate spare, so a charged pack on the shelf means the ride never waits on a cord.
Daily Use & Care
A short weekly routine keeps the ride quiet and the range where it should be.
Tire pressure sets the character of the ride. Run the upper half of the sidewall range on pavement for lower rolling resistance and longer range, and drop toward the lower half on gravel and forest paths so the four-inch casings can flatten and grip.
Wipe the frame and deck with a damp cloth after riding on salted roads or dusty paths. Road film attacks aluminum fasteners over time if it is left in place.
Check the axle hardware, stem clamp, and handlebar bolts before the first ride of each week. Vibration works fasteners loose faster than most riders expect.
Keep the chain lubed and the derailleur clean. A dry chain wears the cassette fast and robs range you paid for.
Inspect disc brake pad thickness monthly. Pads wear silently until they are gone; replace the friction material once it is under 1 mm.
Charge indoors at room temperature and unplug once the charge is complete rather than leaving the bike connected for days at a time.
Keep the charge-port cover closed when the bike is parked outside so moisture stays out of the connector.
Spin both wheels weekly and check that nothing rubs and that the tires seat evenly. Catching a wobble early is a five-minute fix instead of a wheel replacement.
What’s in the Box
Everything needed to get riding, right out of the box.
1 x HKM-7680723 Off-Road Electric Bike
Arrives mostly assembled; fit the handlebar, straighten the front wheel, and check the brakes
1 x 48 V Charger
Recharges a full pack in 6-8 hours from a standard outlet
1 x User Manual
Safety, setup, and care instructions
Controls & Indicators
What each control on the HKM-7680723 does.
Power Button
Hold to switch the system on and off; the LCD confirms the power state
LCD Display
Speed, assist level, battery, and range shown in real time
Throttle
Throttle power on demand, moped-style, no pedaling required
Assist Levels
Cycle through the assist levels to match trail, traffic, and range
Battery Gauge
State-of-charge readout so you always know the ride you have left
Brake Levers
Disc brakes, one lever per hand, with a measured 11.5-23 ft stopping distance
Lighting
Run the lights from the main pack for dusk and evening rides
Frequently Asked Questions
Quick answers about the HKM-7680723.
How much assembly is required out of the box?
The bike arrives mostly assembled. What remains is fitting the handlebar, straightening the front wheel, checking tire pressure and brake alignment, and giving the pack a full charge. Budget 30-45 minutes, most of it waiting for the charger.
What range should I actually plan for?
The 31 mi (50 km) rating assumes a 145 lb (65 kg) rider, 77 F (25 C), flat road, and no wind. Heavier loads, hills, sand, and cold pull the figure down; gentle throttle and firm tires push it back up.
Can it really climb 25 degrees?
That is the factory rating with fresh charge and good traction. On loose surfaces, expect to help with a pedal or two - the torque is there, but grip is physics.
Can I buy a spare battery?
Yes. The battery is offered as a separate item so you can charge one pack while riding on the other.
Is a license or registration required?
Rules vary by state and by city. Many US jurisdictions treat e-bikes like bicycles when assist caps near 20 mph, but some require permits or restrict where they may be ridden. Confirm local law before riding on public roads.
How long does the battery take to charge?
About 6-8 hours with the supplied charger from a fully empty pack. Partial top-ups take proportionally less time.
Is it waterproof?
The build is water-resistant for everyday splashes and damp trails, but it is not a submarine. Avoid deep puddles, do not pressure-wash it, and dry the charge port before plugging in.
Is it suitable for two riders?
The long saddle and 265 lb (120 kg) load rating are built for it, but check local law first - some jurisdictions restrict passengers on e-bikes.
Quick Troubleshooting
Common issues and what to check first.
The motor does not engage.
Confirm the power button is on, the pack has charge, and the LCD is showing data. Check that the battery is clicked fully into place. If it still will not engage, note the conditions and contact support.
Range dropped noticeably compared with when it was new.
Check tire pressure first; a soft tire on pavement is the most common cause. Then consider temperature, because cold reduces available capacity temporarily. Frequent full-throttle starts and hill climbing also pull range down.
The brakes feel weak or the lever pulls to the grip.
Check the pad thickness and cable tension first. Disc brakes bed in over the first rides; if the lever still feels soft after bedding in, adjust the cable or have the caliper checked - do not continue with compromised brakes.
The chain skips under hard pedaling.
Check the derailleur indexing and the chain for wear. A stretched chain skips under load; replacing it in time protects the cassette.
There is a rattle from the front end over bumps.
Check that the axle hardware is tight and the front wheel is seated. Suspension components settle in the first weeks; a persistent knock after a hardware check should be inspected before the ride continues.
The LCD will not power on.
Confirm the pack has charge and all connectors are seated. Switch the system off, wait 30 seconds, and switch it back on. If the LCD stays dark, note the conditions and contact support.
Certifications & Standards
Documented design and build, ready for daily service.
750W Hub Drive
Brushless rear hub motor with 60 N.m of torque, factory rated.
48V 17Ah Pack
Lithium pack sized for trail-length rides, spare-battery option available.
25-Degree Climbing
Factory-rated climbing grade for the steep end of trails and streets.
Measured Braking
Factory-measured 11.5-23 ft (3.5-7 m) stopping distance on disc brakes.
Dual Suspension
Front and rear suspension standard, tuned for off-road duty.
LCD Instrumentation
Speed, assist, battery, and range readouts standard.
Pre-Ride Safety Checklist
Run through these before every ride.
Check tire pressure and set it for the surface you plan to ride; pressure has more effect on range and grip than any other single adjustment you can make in 30 seconds.
Squeeze both brake levers. They should firm up well before touching the grip, with no sponginess or long lever travel.
Confirm the pack has the charge you expect and the display shows it.
Spin both wheels and check that nothing rubs and the tires seat evenly.
Check that the axle hardware is tight and that there is no play at the handlebar or folding joint when you rock the bike with the front brake applied.
Test the throttle and pedal-assist response at walking pace in a clear, traffic-free area before riding in traffic.
Switch on the headlight if you will be riding near dusk, and wear a helmet rated for the speed this machine reaches.
Confirm the assist level is the one you expect before you set off, so the first throttle input is not a surprise.
Service & Policies
Every HKM-7680723 is backed by coverage designed to protect your investment.
Free Shipping on All Orders
Every order ships free. Handling Time: 0-1 business days (Monday to Friday). Transit Time: 2-5 business days (Monday to Friday). A tracking number is emailed as soon as the parcel leaves our warehouse.
180 Days Purchase Protection
Your purchase is protected for 180 days from the delivery date against manufacturing defects and damage in transit. If something arrives wrong, we make it right.
30 Days Money-Back Guarantee
Not completely satisfied? Request a return within 30 days of delivery for a full refund. We keep the process simple and hassle-free.
24 Months Warranty Service
The product is covered by a 24-month warranty from the delivery date against manufacturing defects. Coverage includes parts and labor; normal-wear items are excluded.
Important Safety Notes
Read before the first ride.
This e-bike is capped at 15.5 mph (25 km/h) in its street-legal setting. Read the manual first and practise throttle and braking in an open, traffic-free area. Leave extra room for braking on gravel and descents, where the 11.5-23 ft stopping distance was measured on dry, level ground. Wear a helmet every ride. Do not exceed the 265 lb (120 kg) load limit. Confirm local law before riding on public roads. Bed the brakes in with 10-15 progressive stops over the first rides. Never ride through water deep enough to reach the battery or motor. Charge only with the supplied charger, indoors and attended. Never open, puncture, or modify the pack. Slow down substantially on wet surfaces and steep descents.
HKM-7680723 - 750 W brushless rear hub motor - 48 V 17 Ah lithium-ion - 15.5 mph (25 km/h) - up to 31 mi (50 km) range - 20 x 4.0 in fat tires - dual suspension - disc brakes - 25-degree climbing grade - 265 lb (120 kg) load capacity. Specifications are for reference; actual performance varies with rider, terrain, tire pressure, and temperature. This page describes the product only and is not legal advice regarding vehicle classification - confirm local regulations before riding on public roads.
Every product we offer includes a 180-day purchase protection plan at no additional cost. This coverage extends beyond a standard warranty, reflecting our confidence in product quality and our ongoing commitment to your satisfaction.
The protection plan is designed to provide practical help in real-world situations. Whether you encounter a manufacturing issue, a performance problem, or an unexpected accident, our team is ready to assist with clear, fair solutions.
What Is Covered
Manufacturing Defects
We replace items with material or workmanship flaws at no charge.
Performance Failures
Free repair or replacement if the product fails under normal use.
Accidental Damage
One-time courtesy replacement at a reduced price.
Zero Hidden Fees
All shipping costs for replacements and returns are covered.
How to File a Claim
How This Differs from the Warranty
The 180-day purchase protection includes accidental damage and performance failures that are typically not covered by a standard warranty. It provides an additional layer of support during the first six months after purchase, giving you greater confidence and peace of mind.
We want you to be completely satisfied with your purchase. If for any reason you are not fully happy, you may return your item within 30 days of delivery for a full refund. No lengthy forms, no unnecessary questions.
Our return policy is built on a simple principle: if the product is not right for you, we will make it right. We understand that online shopping involves trust, and we work hard to earn that trust with every order.
Return Eligibility
30-Day Window
Request a return within 30 days of delivery.
Original Condition
Unworn or unused, with tags and original packaging.
Proof of Purchase
A receipt or order number is required.
Fast Refund
Refund processed within 10 business days.
How to Start a Return
Returns & Exchanges Overview
Damages & Exchanges
Please inspect your order as soon as it arrives. If the item is defective, damaged, or incorrect, contact us immediately so we can evaluate the issue and make it right. For exchanges, the fastest option is to return the original item and place a new order for the replacement.
We believe in the quality of our products, and we want you to share that confidence. Every product is backed by a 24-month warranty covering all structural and functional components, including zippers, buckles, straps, and fabric integrity.
The warranty is designed to be simple and accessible. You only need your proof of purchase to begin a claim, and our team will assess the issue promptly. If a manufacturing issue arises, we will make it right.
What the Warranty Covers
Comprehensive Coverage
Every part warranted for two full years.
Free Repair or Replacement
Whichever is faster, at no cost to you.
Quick Turnaround
Claims assessed within 1 business day.
Transferable
Warranty follows the product, not the owner.
How to File a Warranty Claim
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Our delivery process is designed for transparency. From the moment you place your order to the moment it reaches your door, you receive clear updates at every stage. We carefully inspect each product before dispatch, and we provide tracking information as soon as your order ships.
Our U.S. Shipping Partners
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Delivery Process
Delivery Time Summary
Cancellations & Taxes
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Whether you have a question, need help with an order, or just want some advice, our support team is available around the clock. We don't just respond to messages—we work with you to find real solutions that fit your needs.
Our support specialists are trained to handle a wide range of requests, from product recommendations to technical troubleshooting. No matter the question, you can expect a professional and friendly response.
How We Can Help
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Order Assistance
Modify orders, track shipments, or speed up delivery.
Warranty & Returns
Start claims or returns quickly and easily.
Technical Troubleshooting
Step-by-step solutions for product issues.
Contact Information
24/7 Phone
+1 (209) 280-3200
support@hekomart.com
Address
3401 Dale Rd, Modesto, CA 95356
Support Hours
Available 24 hours a day, 7 days a week
